General description This pack includes 2 USB Charger Adapters made specifically for lithium-ion batteries, including BL1815, BL1820, BL1830, BL1840, BL1850, BL1860 and more. These adapters allow you to utilize your batteries even when you're away from power sources, essentially turning them into portable power sources. Technical specifications Compatible with lithium-ion batteries: BL1815, BL1820, BL1830, BL1840, BL1850, BL1860 Charging ports: 1 Type-C (PD), 1 USB/QC3.0 Material: High-quality ABS plastic Color: Blue Measurement allowed error: +/- 1-3cm Usage Charge mobile phones and other small personal electronic devices anytime, anywhere using the battery as the power source. Designed to attach to your belt for convenient charging while on the move. Other information Package Contents: 2 x Charger Adapter Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing.